package cn.spider.filter;

import javax.servlet.*;
import javax.servlet.annotation.WebFilter;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

/**
 * Created by laoYang on 2018/4/22.
 */
@WebFilter(filterName = "BaseFilter", urlPatterns = {"*.a"})
public class BaseFilter implements Filter {
    public void destroy() {
    }

    public void doFilter(ServletRequest req, ServletResponse resp, FilterChain chain) throws ServletException, IOException {
        System.out.println("filter....");
        HttpServletRequest request = (HttpServletRequest) req;
        HttpServletResponse response = (HttpServletResponse) resp;

        request.setCharacterEncoding("utf-8");
        response.setCharacterEncoding("utf-8");

        response.setContentType("application/json;charset=utf-8");


        chain.doFilter(req, resp);
    }

    public void init(FilterConfig config) throws ServletException {

    }

}
